Karen Arnold

 is a character in the original series, The Wonder Years. She is the daughter of Jack and Norma Arnold, the elder sister of Wayne Arnold and Kevin Arnold, the wife of Michael, and the mother of a son.

Background
Karen is Kevin's hippie, but mature older sister. Her free-spirited ways clash with her overbearing father's conservatism, and she depends upon her mother as a mediator. When Karen moves in with her boyfriend Michael during her freshman year of college, she has a falling out with her father.

The pair marry one year later and move to Alaska, where Michael has secured a good job. Karen ultimately accepts some of her parents' viewpoints and has a baby, while her husband learns to support his wife and child.